Objective:To explore the potential of local agar of genusGracilaria,Eucheuma,Gelidium and local brandsas an alternative for imported agarose forDNA electrophoresis, and to examine their ability related to separation and migration ofDNA fragments inDNA electrophoresis.
Methods:Their performance at various concentrations were compared via an experimental study with a specific brand of imported commercial agarose used in molecular biology research. The measured variables were separation and migration during electrophoresis of a DNA fragment.
Results: The local agar genusGracilaria gigas,Gelidium, brand B and brand S could separateDNA fragments at a concentration between 1% and 2%, with an optimum concentration of 2% w/v, as good as a specific brand of imported commercial agarose.
Conclusions:Their performance were very close to that of commercial agarose and can still be improved by further agar purification as well as by pH and sulfur control.

Objective: To explore the potential of local agar of genus Gracilaria, Eucheuma, Gelidium and local brands as an alternative for imported agarose for DNA electrophoresis, and to examine their ability related to separation and migration of DNA fragments in DNA electrophoresis. Methods: Their performance at various concentrations were compared via an experimental study with a specific brand of imported commercial agarose used in molecular biology research. The measured variables were separation and migration during electrophoresis of a DNA fragment. Results: The local agar genus Gracilaria gigas, Gelidium, brand "B" and brand "S" could separate DNA fragments at a concentration between 1% and 2%, with an optimum concentration of 2% w/v, as good as a specific brand of imported commercial agarose. Conclusions: Their performance were very close to that of commercial agarose and can still be improved by further agar purification as well as by pH and sulfur control.

PURPOSE: Using a quantitative approach, this study aims to assess Indonesian nurses' perception of their knowledge, skills, and preparedness regarding disaster management. METHODS: This study was a descriptive comparison in design. The research samples are Indonesian nurses working in medical services and educational institutions. The variables of nurses' preparedness to cope with disaster victims were measured using the Disaster Preparedness Evaluation Tool (DPET), which was electronically distributed to all nurses in Indonesia. Data were analyzed using a statistical descriptive one-way Analysis of Variance (ANOVA) and t-test with a significance level of 95%. RESULTS: In total, 1341 Indonesian nurses completed this survey. The average scores of preparedness to cope with disasters, the ability to recover from disaster, and evaluation of disaster victims were 3.13, 2.53, and 2.46, respectively. In general, nurses surveyed in this study are less prepared for disaster management, and do not understand their roles both during the phase of disaster preparedness, and when coping with a post-disaster situation. CONCLUSION Nurses' preparedness and understanding of their roles in coping with disasters are still low in Indonesia. Therefore, their capacity in preparedness, responses, recovery, and evaluation of disasters needs improvement through continuing education. The efforts needed are significant due to potential disasters in Indonesia and adequate nurses resources.
Adaptation, Psychological ; Adult ; Civil Defense ; Cross-Sectional Studies ; Disaster Planning ; Disaster Victims ; Education, Nursing, Continuing ; Female ; Health Knowledge, Attitudes, Practice ; Humans ; Indonesia ; Male ; Middle Aged ; Nurses ; psychology ; Perception ; Professional Role ; Surveys and Questionnaires ; Young Adult